NO20090868L - Fremgangsmate for a bestemme fysiske egenskaper av strukturer - Google Patents

Fremgangsmate for a bestemme fysiske egenskaper av strukturer

Info

Publication number
NO20090868L
NO20090868L NO20090868A NO20090868A NO20090868L NO 20090868 L NO20090868 L NO 20090868L NO 20090868 A NO20090868 A NO 20090868A NO 20090868 A NO20090868 A NO 20090868A NO 20090868 L NO20090868 L NO 20090868L
Authority
NO
Norway
Prior art keywords
inversion
structures
subsurface
mask
information
Prior art date
Application number
NO20090868A
Other languages
English (en)
Inventor
Xinyou Lu
James J Carazzone
Original Assignee
Exxonmobil Upstream Res Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Exxonmobil Upstream Res Co filed Critical Exxonmobil Upstream Res Co
Publication of NO20090868L publication Critical patent/NO20090868L/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/083—Controlled source electromagnetic [CSEM] surveying
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Z—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
    • G16Z99/00—Subject matter not provided for in other main groups of this subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/60—Analysis
    • G01V2210/61—Analysis by combining or comparing a seismic data set with other data
    • G01V2210/616—Data from specific type of measurement
    • G01V2210/6163—Electromagnetic

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

Fremgangsmåte for effektiv inversjon av kontrollert kilde elektromagnetiske undersøkelsesdata for å oppnå en resistivitetsmodell av undergrunnen i undersøkelsesområdet. Fremgangsmåten ekstraherer dimensjonene og lokasjonen av strukturer i undergrunnen som de kan avdekkes av eksisterende seismiske eller andre tilgjengelige undersøkelsesdata med høy oppløsning fra undergrunnsområdet (33). Denne informasjon om strukturgeometri brukes til å konstruere en diskretisering (rutenett eller maske) for inversjonsberegningen (34) som er forskjellig fra masken benyttet for beregninger av fremadmodellering (32) idet at (a) den har færre og derfor større celler, og (b) cellene honorerer den antatte strukturelle informasjon. Inversjonen behøver bare ekstrahere resistivitetsinformasjon (35), i det geometrien av de resistive strukturene er spesifisert av inversjonsmasken.
NO20090868A 2006-07-25 2009-02-25 Fremgangsmate for a bestemme fysiske egenskaper av strukturer NO20090868L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83308906P 2006-07-25 2006-07-25
PCT/US2007/013854 WO2008013613A2 (en) 2006-07-25 2007-06-13 Method for determining physical properties of structures

Publications (1)

Publication Number Publication Date
NO20090868L true NO20090868L (no) 2009-02-25

Family

ID=37499434

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20090868A NO20090868L (no) 2006-07-25 2009-02-25 Fremgangsmate for a bestemme fysiske egenskaper av strukturer

Country Status (6)

Country Link
US (1) US8126650B2 (no)
AU (1) AU2007277410B2 (no)
CA (1) CA2658205C (no)
GB (1) GB2453478B (no)
NO (1) NO20090868L (no)
WO (1) WO2008013613A2 (no)

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US10346278B2 (en) * 2015-02-16 2019-07-09 Pgs Geophysical As Inversion domain merge based on cell statistics
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CN112363221B (zh) * 2020-10-27 2024-05-28 中国石油天然气集团有限公司 Walkaway VSP测线的布设方法及装置
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Also Published As

Publication number Publication date
GB2453478B (en) 2011-08-17
AU2007277410A1 (en) 2008-01-31
GB0901135D0 (en) 2009-03-11
WO2008013613A3 (en) 2008-05-02
US20090204327A1 (en) 2009-08-13
GB2453478A (en) 2009-04-08
US8126650B2 (en) 2012-02-28
WO2008013613B1 (en) 2008-06-26
CA2658205C (en) 2015-05-26
CA2658205A1 (en) 2008-01-31
AU2007277410B2 (en) 2012-02-16
WO2008013613A2 (en) 2008-01-31

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